Audio box



FIG. 1 is a perspective view of the audio box;

FIG. 2 is a front left side view of the audio box;

FIG. 3 is a front right side view of the audio box;

FIG. 4 is a back right side view of the audio box;

FIG. 5 is a back left side view of the audio box; and,

FIG. 6 is a top view of the audio box.

The portions of the audio box shown in broken lines in FIGS. 1-6 form no part of the claimed design. 

CLAIM I claim the ornamental design for an audio box, as shown and described. 